#include <stdio.h>
void main()
{
    int n,a,i;
    printf("The series with equal difference aree :\n");
    for(n=1;n<=6;n++)
        for(a=1;a<=4;a++)
            if(4*n+6*a==26&&n*(n+a)*(n+a+a)*(n+a+a+a)==880)
                for(i=0;i<20;i++)
                    printf(" %d ",n+i*a);
    printf("\n");
}
